Pitch Perfect WRF aka "Piper" This is our favorite cross since it brings together the presence, work ethic and ability for the FEI competitions Piper is by Sir Sinclair, the leading sire of FEI horses in North America! her mom is by Jazz, the leading sire of Dressage horses in the world! Her Grandpa is the Legendary ROEMER!!! Check out her FUL BROTHER, Imperial WRF. He is a region Champion at 3rd level! Update, he is now winning at PSG!